EFM8BB31F16G-A-QFP32

Program Memory Size:	16KB (16K x 8)
Supplier Device Package:	32-QFP (7x7)
Package / Case:	32-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 20x12b, D/A 2x12b
Voltage - Supply (Vcc/Vdd):	2.2 V ~ 3.6 V
RAM Size:	2.25K x 8
EEPROM Size:	--
Program Memory Type:	FLASH
Series:	Busy Bee
Number of I/O:	28
Peripherals:	Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:	I²C, SMBus, SPI, UART/USART
Speed:	50MHz
Core Size:	8-Bit
Core Processor:	CIP-51 8051
Part Status:	Discontinued at Digi-Key
Packaging:	Tube

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EFM8BB31F16G-A-QFP32 Application Field and Working PrincipleThe EFM8BB31F16G-A-QFP32 is an 8-bit microcontroller that is widely used in embedded systems thanks to its low power consumption, large GPIO pin-count, 8KB Flash memory, and 256 bytes of RAM. It is categorized as an embedded microcontroller and is used in many applications ranging from automotive to industrial applications. The microcontroller is based on the patented EFM8 Busy Bee core architecture. This allows for higher process speeds and integration of different peripherals like UARTs, timers, and pulse-width modulation (PWM). The EFM8 Busy Bee core architecture also enables the microcontroller to be configured to allow for a variety of complex functions.The EFM8BB31F16G-A-QFP32 has an embedded 8-bit core operating at up to 24 MHz. It is equipped with 8KB of Flash memory and 256 bytes of RAM. The GPIO pins of the microcontroller provide multiple flexible peripheral functions and can be configured through software such as Serial Communications Interfaces (SCI) and Inter-Integrated Circuits (I2C).The microcontroller also supports various communication protocols including SPI, I2C, and UART. These protocols allow the microcontroller to communicate easily with other components in the system. This makes the device highly versatile, with the ability to communicate with various external components such as LCDs, GPS receivers, sensors, and other embedded components.The microcontroller also comes with various power optimization features such as Power Mode Programming (PMP), Sleep Mode, and Power On Reset (POR). PMP allows the system to reduce power consumption during idle times, while Sleep Mode reduces power consumption to virtually zero. The Power On Reset allows the system to remain powered off during non-active periods and wake up when an event occurs.The EFM8BB31F16G-A-QFP32 is also suitable for application with high-frequency signals, thanks to its integrated pulse-width modulation (PWM) functions. It can generate PWM signals up to 40MHz, enabling applications to generate frequency independent pulses. This makes the device highly suitable for motor control, audio applications, and other applications that require precision modulation.The microcontroller also has a high level of security through the use of an authentication algorithm. This means that applications that are written to run on this microcontroller are secured and cannot be tampered with.In summary, the EFM8BB31F16G-A-QFP32 is a highly versatile and powerful 8-bit microcontroller suitable for a wide range of embedded applications. This is enabled by its wide variety of peripherals, high-speed operations, and low power consumption. Additionally, its security system ensures that applications written for this microcontroller are secure and that they cannot be easily tampered with.

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